Finding the Fourth Proportional to 1,534,626.44, 2,119,121.70 and 962,649.80
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Solution
The fourth proportional to 1,534,626.44, 2,119,121.70 and 962,649.80 is: 1,329,295.54
Step by Step Solution
- Step 1: Write the proportion equation
1,534,626.44 : 2,119,121.70 = 962,649.80 : x - Step 2: Convert to fraction form
1,534,626.44/2,119,121.70 = 962,649.80/x - Step 3: Cross multiply
1,534,626.44x = 2,119,121.70 × 962,649.80 - Step 4: Simplify right side
1,534,626.44x = 2,039,972,080,680.66 - Step 5: Solve for x
x = 2,039,972,080,680.66/1,534,626.44 - Step 6: Final answer
x = 1,329,295.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.